Langer's Sudoku Assistant

2
1
      3
   5   
       
8
4
6
9
7
      3
   5   
       
9
7
       
4  5   
       
3
1
2
8
6
       
4  5   
       
      3
4      
       
8
6
7
9
5
      3
4      
       
1
2
1
3
7
6
8
2
5
9
4
2
5
6
1
4
9
7
3
8
8
4
9
5
3
7
6
2
1
7
6
8
4
5
1
3
2
9
4
2
1
6
9
3
5
8
7
9
5
3
2
7
8
1
6
4

 

Start Over

Take any Sudoku puzzle you are having trouble with -- or any one at all -- and enter the initial values. With each entry the proscribed options are eliminated for you

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